[citation needed] The Pringle manoeuvre is more effective in preventing blood loss during liver surgery if central venous pressure is maintained at 5 mmHg or lower.

This is due to the fact that Pringle manoeuver technique aims at controlling the blood inflow into the liver, having no effect on the outflow.

[3] In case of using Pringle manoeuver during liver trauma, should bleeding continue, it is likely that the inferior vena cava or the hepatic vein are also traumatised.

[6] The Pringle manoeuvre consists in clamping the hepatoduodenal ligament (the free border of the lesser omentum).

This interrupts the flow of blood through the hepatic artery and the portal vein, which helps to control bleeding from the liver.